Server spitting out this since changing router ?

[Trickytriqz]

Mar 28 19:14:27 freenas Freed UMA keg (udp_inpcb) was not empty (80 items). Lost 8 pages of memory.
Mar 28 19:14:27 freenas Freed UMA keg (udpcb) was not empty (1008 items). Lost 6 pages of memory.
Mar 28 19:14:27 freenas Freed UMA keg (tcptw) was not empty (250 items). Lost 5 pages of memory.
Mar 28 19:14:27 freenas Freed UMA keg (tcp_inpcb) was not empty (60 items). Lost 6 pages of memory.
Mar 28 19:14:27 freenas Freed UMA keg (tcpcb) was not empty (24 items). Lost 6 pages of memory.
Mar 28 19:14:27 freenas hhook_vnet_uninit: hhook_head type=1, id=1 cleanup required
Mar 28 19:14:27 freenas hhook_vnet_uninit: hhook_head type=1, id=0 cleanup required

I have no idea what this means as i am a server noob

 

[Trickytriqz]

Also is spitting this out
Mar 28 19:29:04 freenas kernel: arp: 04:e5:36:b2:02:3b is using my IP address 192.168.1.4 on epair1b!
Mar 28 19:29:04 freenas kernel: arp: 04:e5:36:b2:02:3b is using my IP address 192.168.1.4 on epair1b!
Mar 28 19:29:04 freenas kernel: arp: 04:e5:36:b2:02:3b attempts to modify permanent entry for 192.168.1.4 on igb0
Mar 28 19:29:04 freenas kernel: arp: 04:e5:36:b2:02:3b attempts to modify permanent entry for 192.168.1.4 on igb0
Mar 28 19:29:04 freenas kernel: arp: 04:e5:36:b2:02:3b is using my IP address 192.168.1.4 on epair1b!
Mar 28 19:29:04 freenas kernel: arp: 04:e5:36:b2:02:3b is using my IP address 192.168.1.4 on epair1b!
Mar 28 19:29:04 freenas kernel: arp: 04:e5:36:b2:02:3b attempts to modify permanent entry for 192.168.1.4 on igb0
Mar 28 19:29:04 freenas kernel: arp: 04:e5:36:b2:02:3b attempts to modify permanent entry for 192.168.1.4 on igb0
Mar 28 19:29:04 freenas kernel: arp: 04:e5:36:b2:02:3b is using my IP address 192.168.1.4 on epair1b!
Mar 28 19:29:04 freenas kernel: arp: 04:e5:36:b2:02:3b is using my IP address 192.168.1.4 on epair1b!
Mar 28 19:29:04 freenas kernel: arp: 04:e5:36:b2:02:3b attempts to modify permanent entry for 192.168.1.4 on igb0
Mar 28 19:29:04 freenas kernel: arp: 04:e5:36:b2:02:3b attempts to modify permanent entry for 192.168.1.4 on igb0

 

[Jailer]

First one is a jail crash, second one is an IP conflict. Did your network subnet change after you switched routers? If so easiest fix would be to change the LAN subnet to match what it was previously.