[ 4363.791923][T23375] gre: GRE over IPv4 demultiplexor driver
[ 4365.811807][T23398] ip_gre: GRE over IPv4 tunneling driver
[ 4427.061464][T23970] ip6_gre: GRE over IPv6 tunneling driver
[ 4469.614665][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4475.501528][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4480.558524][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4486.381521][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!