netns_netlink unhandled level 3 translation fault

[ 4666.499309] netns_netlink[4192]: unhandled level 3 translation fault (11) at 0x00000000, esr 0x82000007
[ 4666.612099] pgd = fffffe0feee20000
[ 4666.652897] [00000000] *pgd=0000004fea060003[ 4666.702034] , *pud=0000004fea060003
, *pmd=0000004fea060003[ 4666.767971] , *pte=0000000000000000
[ 4666.809801]
[ 4666.827641]
[ 4666.845483] CPU: 6 PID: 4192 Comm: netns_netlink Tainted: G            E   4.9.0-15.gite3fc6c7.linaro.aarch64 #1
[ 4666.967649] Hardware name: HPE ProLiant m400 Server/ProLiant m400 Server, BIOS U02 08/19/2016
[ 4667.069990] task: fffffe0fe7ef4500 task.stack: fffffe0fed138000
[ 4667.141036] PC is at 0x0
[ 4667.171396] LR is at 0x40332c
[ 4667.206969] pc : [<0000000000000000>] lr : [<000000000040332c>] pstate: 00000000
[ 4667.295747] sp : 000003fff71ef5f0
[ 4667.335497] x29: 000003fff71ef5f0 x28: 0000000000000000
[ 4667.399442] x27: 0000000000000000 x26: 0000000000000000
[ 4667.463390] x25: 0000000000000000 x24: 0000000000000000
[ 4667.527339] x23: 0000000000000000 x22: 0000000000000000
[ 4667.591287] x21: 0000000040020000 x20: 0000000000000000
[ 4667.655235] x19: 0000000000000000 x18: 000003fff71ef3c0
[ 4667.719184] x17: 000003ffa5ebc050 x16: 0000000000000000
[ 4667.783131] x15: 0000000000005749 x14: 000003ffa5df1a94
[ 4667.846978] x13: ffffffffffffffff x12: 0000000000000005
[ 4667.910923] x11: 0000000000000000 x10: 00000000ffffffff
[ 4667.974871] x9 : 1999999999999999 x8 : 0000000000000039
[ 4668.038819] x7 : 0000000000000000 x6 : 0000000000000000
[ 4668.102768] x5 : 000003ffa5f60de0 x4 : 000003ffa5f62640
[ 4668.166716] x3 : 000003ffa5f62000 x2 : 0000000000000002
[ 4668.230560] x1 : 000000000040b9d8 x0 : 0000000000000000
[ 4668.294508]
[ 4668.505880] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready
[ 4668.579173] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready