[ 4685.190957][T24966] gre: GRE over IPv4 demultiplexor driver
[ 4687.446874][T24989] ip_gre: GRE over IPv4 tunneling driver
[ 4753.342142][T25561] ip6_gre: GRE over IPv6 tunneling driver
[ 4799.539585][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4806.196388][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4811.763446][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4818.356368][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!