[ 4629.096632][T23135] gre: GRE over IPv4 demultiplexor driver
[ 4631.317605][T23158] ip_gre: GRE over IPv4 tunneling driver
[ 4697.876189][T23734] ip6_gre: GRE over IPv6 tunneling driver
[ 4744.002406][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4750.466328][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4755.842313][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4762.114310][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!